Respekta Kaya CH 66060 BSGA Installation & User's Instructions page 66

Fitting the V-flap:
2 2
1 - Fit the two flaps (1) in the housing (B10);
2 - Orient pin (3) so it is facing upwards;
3 - Insert spindle (4) into holes (5) in housing (B10);
4 - Repeat the same steps for the other flap (2).
5 5 4 4 1 1 3 3
Fig. 5.7
en-27